Several years ago, my mom came across the following prayer for travelers. (It's credited to St. David's Episcopal Church in Baltimore, Maryland.)
I keep a well-worn copy in my car and pray it aloud before embarking on every trip. It has been a source of great comfort and peace, so I wanted to share it with you, especially during this season:
I know, O God, that wherever I travel, You will be with me. There is nowhere I can go, no situation I can face, which is outside Your love and strength; and so I commit myself into Your care and keeping on this journey, knowing that at all times I am in Your hands.